Originally Posted by mech
If you would answer one more question for me though. Why do you buy laminates as substrates? Can't you find sintra near you? I'd think that would be cheaper. You really need to start a new thread with your ongoing research because it is interesting.
rfisher hasn't replied as of yet, but I'll venture to.
Sintra has not the performance found in the surface of DW. Just as in a Light Fusion Mirror app. or any specialized painted surface, the quality, hue, and amount of (or lack of) reflective tendency of a "Base" weighs heavily in determining the effect the "Base" has on the resulting image. DW is less expensive in the small size (4' x 8') and comparably priced in the "Whopper" sizes.
If one is looking toward an DIY Screen application with increased performance greater in any aspect than what is inherent in a "Stand Alone" surface, it makes sense to go with the "Stand Alone" material if it possesses qualities not easily duplicated by other methods. ("Some" type of "Paint" (or "Mix") on "Some" type of Substrate") when your looking to the "Substrate" to have such a desired effect.
DW has been tested and adjudged a excellent surface. Sintra, on the other hand is considered a "Substrate" far more than it is a "Stand Alone Screen Material".
Doable comes to mind as well. It shares only a partial amount of performance that DW musters, and is nowhere as durable at the surface level. That combined with limited supply can easily place it several notches below DW as far as "A Quality Choice" but even so it garners quite a following because it's quite a bit superior to Sintra.
ANY material from a 1st Surface Mirror / 2nd Surface Mirror / Mylar / on down into Whites and Grays can be considered as a Base for painting, if painting can effect a superior result than that material itself can muster. Be it the addition of a Simple Neutral Flat Gray to any of several different particular Top Coatings, be they designed for gain, contrast enhancement, or both.
What I see in responses like above are people expressing understandable confusion as to why anyone would bother to use a expensive material that delivers great results to try to effect "Mo Bedder" results. I see no confusion. They are looking for something beyond a certain level, and by using the best surface that reaches the current "Best" level for a starting point, they are not starting out at any disadvantage for either and both of these two reasons.
1. No need to Paint on an ideal Base Coat for a particular application
2. The assurance that the surface used will be "defect free' and smooth.
It's All Good. Just some things are "Mo Bedder". Combine Great with Excellent and you get Fabulous. That is what everyone really wants, it's just that some will pull up short finding "Easy" perfectly acceptable if the performance is at least equal to the "Ease". As in DW, a price higher than Doable or Sintra doesn't deter those looking for "Easy" but "Mo Bedder". Nor should the expense of such a material deter those looking to go from "Mo bedder" to Fabulous.